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2010-09-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	    * configure.ac: Use the GCC_AC_ENABLE_DECIMAL_FLOAT macro.
	    * Makefile.in: Add aclocal.m4 dependency to dfp.m4.
	    * configure: Regenerate.
	    * aclocal.m4: Regenerate.
config/

2010-09-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	    * dfp.m4: New file.
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Andreas Krebbel 2010-09-03 13:30:58 +00:00
parent 6a7d80f2ae
commit cb23162686
2 changed files with 57 additions and 0 deletions
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@ -1,3 +1,7 @@
2010-09-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* dfp.m4: New file.
2010-08-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> 2010-08-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
PR target/45084 PR target/45084

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config/dfp.m4 Normal file
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dnl @synopsis GCC_AC_ENABLE_DECIMAL_FLOAT([target triplet])
dnl
dnl Enable C extension for decimal float if target supports it.
dnl
dnl @author Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
AC_DEFUN([GCC_AC_ENABLE_DECIMAL_FLOAT],
[
AC_ARG_ENABLE(decimal-float,
[ --enable-decimal-float={no,yes,bid,dpd}
enable decimal float extension to C. Selecting 'bid'
or 'dpd' choses which decimal floating point format
to use],
[
case $enable_decimal_float in
yes | no | bid | dpd) ;;
*) AC_MSG_ERROR(['$enable_decimal_float' is an invalid value for --enable-decimal-float.
Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
esac
],
[
case $1 in
powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux*)
enable_decimal_float=yes
;;
*)
AC_MSG_WARN(decimal float is not supported for this target, ignored)
enable_decimal_float=no
;;
esac
])
# x86's use BID format instead of DPD
case x$enable_decimal_float in
xyes)
case $1 in
i?86*-*-* | x86_64*-*-*)
enable_decimal_float=bid
;;
*)
enable_decimal_float=dpd
;;
esac
;;
xno)
# ENABLE_DECIMAL_FLOAT is set to 0. But we have to have proper
# dependency on libdecnumber.
enable_decimal_float=dpd
;;
esac
AC_SUBST(enable_decimal_float)
])